Answer:
The best value is for calendars.
Step-by-step explanation:
Lets find out the unit cost of each calendars with different prices given here.
Unit cost of these calendars
Unit cost of these calendars .
So the best value from customer point of view is the lowest unit cost.
And the lowest cost is being offered for calendars per calendar.
f(7) = -113
Hello!
Substitute 7 for x in the equation.
f(7) is -113.
3bat + 3b² - 6a²t²
First you have to expand it to get;
3b(b - at) + 6at(b - at)
Then you can now multiply.
3b² - 3bat + 6bat - 6at²
Group like terms
6bat - 3bat + 3b² -6at²
Explanation is in the file
tinyurl.com/wtjfavyw